Respuesta :

albertoaleman

Answer:

It is a measurement of the rate at which a radioactive isotope decays. Half-life is the time it takes for one half of the atoms of a radioactive material to reach disintegration. Range: from few microseconds to billions of years.

Explanation:

zebrowley

Answer: When half the parent nuclei in a sample have become daughter nuclei.

Explanation: Quizzed

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